281309280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2887}}^1$

素因数の和:2941

約数の個数: 192

約数和(自身を含む): 1047997440

約数和(自身を除く): 766688160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 32, 35, 40, 42, 48, 56, 58, 60, 70, 80, 84, 87, 96, 105, 112, 116, 120, 140, 145, 160, 168, 174, 203, 210, 224, 232, 240, 280, 290, 336, 348, 406, 420, 435, 464, 480, 560, 580, 609, 672, 696, 812, 840, 870, 928, 1015, 1120, 1160, 1218, 1392, 1624, 1680, 1740, 2030, 2320, 2436, 2784, 2887, 3045, 3248, 3360, 3480, 4060, 4640, 4872, 5774, 6090, 6496, 6960, 8120, 8661, 9744, 11548, 12180, 13920, 14435, 16240, 17322, 19488, 20209, 23096, 24360, 28870, 32480, 34644, 40418, 43305, 46192, 48720, 57740, 60627, 69288, 80836, 83723, 86610, 92384, 97440, 101045, 115480, 121254, 138576, 161672, 167446, 173220, 202090, 230960, 242508, 251169, 277152, 303135, 323344, 334892, 346440, 404180, 418615, 461920, 485016, 502338, 586061, 606270, 646688, 669784, 692880, 808360, 837230, 970032, 1004676, 1172122, 1212540, 1255845, 1339568, 1385760, 1616720, 1674460, 1758183, 1940064, 2009352, 2344244, 2425080, 2511690, 2679136, 2930305, 3233440, 3348920, 3516366, 4018704, 4688488, 4850160, 5023380, 5860610, 6697840, 7032732, 8037408, 8790915, 9376976, 9700320, 10046760, 11721220, 13395680, 14065464, 17581830, 18753952, 20093520, 23442440, 28130928, 35163660, 40187040, 46884880, 56261856, 70327320, 93769760, 140654640, 281309280]

約数ペア:

[(1, 281309280), (2, 140654640), (3, 93769760), (4, 70327320), (5, 56261856), (6, 46884880), (7, 40187040), (8, 35163660), (10, 28130928), (12, 23442440), (14, 20093520), (15, 18753952), (16, 17581830), (20, 14065464), (21, 13395680), (24, 11721220), (28, 10046760), (29, 9700320), (30, 9376976), (32, 8790915), (35, 8037408), (40, 7032732), (42, 6697840), (48, 5860610), (56, 5023380), (58, 4850160), (60, 4688488), (70, 4018704), (80, 3516366), (84, 3348920), (87, 3233440), (96, 2930305), (105, 2679136), (112, 2511690), (116, 2425080), (120, 2344244), (140, 2009352), (145, 1940064), (160, 1758183), (168, 1674460), (174, 1616720), (203, 1385760), (210, 1339568), (224, 1255845), (232, 1212540), (240, 1172122), (280, 1004676), (290, 970032), (336, 837230), (348, 808360), (406, 692880), (420, 669784), (435, 646688), (464, 606270), (480, 586061), (560, 502338), (580, 485016), (609, 461920), (672, 418615), (696, 404180), (812, 346440), (840, 334892), (870, 323344), (928, 303135), (1015, 277152), (1120, 251169), (1160, 242508), (1218, 230960), (1392, 202090), (1624, 173220), (1680, 167446), (1740, 161672), (2030, 138576), (2320, 121254), (2436, 115480), (2784, 101045), (2887, 97440), (3045, 92384), (3248, 86610), (3360, 83723), (3480, 80836), (4060, 69288), (4640, 60627), (4872, 57740), (5774, 48720), (6090, 46192), (6496, 43305), (6960, 40418), (8120, 34644), (8661, 32480), (9744, 28870), (11548, 24360), (12180, 23096), (13920, 20209), (14435, 19488), (16240, 17322)]